Grønbech & Sønner A/S

The WaStop Inline Check Valve immediately protects people and properties from flooding caused by backflow.. WaStop also protects against odor and pests in the sewer and stormwater systems. WaStop is ingenious in its simplicity

WaBack Non-return chamber protects against backflows, overload and flooding in drains and as protection against backflow of stormwater and wastewater. It is advantageously used in heavily polluted water.